From 0c2dbdb525913be2de953d87b2668d81b9ffe5b9 Mon Sep 17 00:00:00 2001
From: GnomeZworc <nicolas.boufidjeline@g3e.fr>
Date: Thu, 23 Apr 2026 22:30:04 +0200
Subject: [PATCH] f-21: api: make subnet get

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>
---
 internal/api/agent/subnet.go  | 33 +++++++++++++++++++++++++--
 internal/api/agent/subnets.go | 42 +++++++++++++++++++++++++++++++++--
 2 files changed, 71 insertions(+), 4 deletions(-)

diff --git a/internal/api/agent/subnet.go b/internal/api/agent/subnet.go
index b20c65a..8ea3d19 100644
--- a/internal/api/agent/subnet.go
+++ b/internal/api/agent/subnet.go
@@ -3,9 +3,11 @@ package agentapi
 import (
 	"encoding/json"
 	"net/http"
+	"strconv"
 	"strings"
 
 	"git.g3e.fr/syonad/two/internal/dispatcher"
+	"git.g3e.fr/syonad/two/pkg/db/kv"
 )
 
 func (s *Server) SubnetByNameHandler(w http.ResponseWriter, r *http.Request) {
@@ -27,9 +29,36 @@ func (s *Server) SubnetByNameHandler(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func (s *Server) getSubnet(w http.ResponseWriter, r *http.Request, name string) {
+func (s *Server) getSubnet(w http.ResponseWriter, _ *http.Request, name string) {
+	entries, err := kv.ListByPrefix(s.db, "subnet/"+name+"/")
+	if err != nil || len(entries) == 0 {
+		w.WriteHeader(http.StatusNotFound)
+		json.NewEncoder(w).Encode(ErrorResponse{Error: "subnet not found"})
+		return
+	}
+	sub := Subnet{Name: name}
+	for key, value := range entries {
+		parts := strings.Split(key, "/")
+		if len(parts) != 3 {
+			continue
+		}
+		switch parts[2] {
+		case "state":
+			sub.State = value
+		case "vpc":
+			sub.VPC = value
+		case "vxlan_id":
+			sub.VxlanID, _ = strconv.Atoi(value)
+		case "local_iface":
+			sub.LocalIface = value
+		case "gateway_ip":
+			sub.GatewayIP = value
+		case "cidr":
+			sub.CIDR = value
+		}
+	}
 	w.WriteHeader(http.StatusOK)
-	json.NewEncoder(w).Encode(Subnet{Name: name, State: "created"})
+	json.NewEncoder(w).Encode(sub)
 }
 
 func (s *Server) deleteSubnet(w http.ResponseWriter, r *http.Request, name string) {
diff --git a/internal/api/agent/subnets.go b/internal/api/agent/subnets.go
index 263c9ce..90faaff 100644
--- a/internal/api/agent/subnets.go
+++ b/internal/api/agent/subnets.go
@@ -3,8 +3,11 @@ package agentapi
 import (
 	"encoding/json"
 	"net/http"
+	"strconv"
+	"strings"
 
 	"git.g3e.fr/syonad/two/internal/dispatcher"
+	"git.g3e.fr/syonad/two/pkg/db/kv"
 )
 
 func (s *Server) SubnetsHandler(w http.ResponseWriter, r *http.Request) {
@@ -19,9 +22,44 @@ func (s *Server) SubnetsHandler(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func (s *Server) listSubnets(w http.ResponseWriter, r *http.Request) {
+func (s *Server) listSubnets(w http.ResponseWriter, _ *http.Request) {
+	entries, err := kv.ListByPrefix(s.db, "subnet/")
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		json.NewEncoder(w).Encode(ErrorResponse{Error: "failed to list subnets"})
+		return
+	}
+	subnets := make(map[string]*Subnet)
+	for key, value := range entries {
+		parts := strings.Split(key, "/")
+		if len(parts) != 3 {
+			continue
+		}
+		name := parts[1]
+		if _, ok := subnets[name]; !ok {
+			subnets[name] = &Subnet{Name: name}
+		}
+		switch parts[2] {
+		case "state":
+			subnets[name].State = value
+		case "vpc":
+			subnets[name].VPC = value
+		case "vxlan_id":
+			subnets[name].VxlanID, _ = strconv.Atoi(value)
+		case "local_iface":
+			subnets[name].LocalIface = value
+		case "gateway_ip":
+			subnets[name].GatewayIP = value
+		case "cidr":
+			subnets[name].CIDR = value
+		}
+	}
+	result := make([]Subnet, 0, len(subnets))
+	for _, sub := range subnets {
+		result = append(result, *sub)
+	}
 	w.WriteHeader(http.StatusOK)
-	json.NewEncoder(w).Encode([]Subnet{})
+	json.NewEncoder(w).Encode(result)
 }
 
 func (s *Server) postSubnet(w http.ResponseWriter, r *http.Request) {